linux-kernel - Re: [PATCH can-next v5 2/2] can: flexcan: add LED trigger support

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Message-ID: <20120801122443.GA1311@gmail.com>
Date:	Wed, 1 Aug 2012 14:24:43 +0200
From:	Fabio Baltieri <fabio.baltieri@...il.com>
To:	Marc Kleine-Budde <mkl@...gutronix.de>
Cc:	linux-can@...r.kernel.org, linux-kernel@...r.kernel.org,
	Oliver Hartkopp <socketcan@...tkopp.net>,
	Wolfgang Grandegger <wg@...ndegger.com>
Subject: Re: [PATCH can-next v5 2/2] can: flexcan: add LED trigger support

On Wed, Aug 01, 2012 at 01:53:22PM +0200, Marc Kleine-Budde wrote:
[...]
> > @@ -635,6 +638,7 @@ static irqreturn_t flexcan_irq(int irq, void *dev_id)
> >  	if (reg_iflag1 & (1 << FLEXCAN_TX_BUF_ID)) {
> >  		stats->tx_bytes += can_get_echo_skb(dev, 0);
> >  		stats->tx_packets++;
> > +		can_led_event(dev, CAN_LED_EVENT_TX);
> 
> Should the led blink on TX or TX completion interrupt?

I'd say on complention interrupt, together with can_get_echo_skb().

That was briefly discussed with Oliver in my first patch:

http://article.gmane.org/gmane.linux.can/1007

Fabio
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